Commits
Sutou Kouhei authored and Yibo Cai committed ec1b6a4e7e6
ARROW-11956: [C++] Fix system re2 dependency detection for static library RE2_SOURCE -> re2_SOURCE rename was done by ARROW-10896. Closes #9696 from kou/cpp-re2-fix-detection Authored-by: Sutou Kouhei <kou@clear-code.com> Signed-off-by: Yibo Cai <yibo.cai@arm.com>